Electric kettle



FIG. 1 is a perspective view of an electric kettle showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for an electric kettle, as shown. 